Kessler, R., & Sklar, A. (2009). In the president's secret service: Behind the scenes with agents in the line of fire and the presidents they protect (Unabridged.). Tantor Media.
Chicago Style (17th ed.) CitationKessler, Ronald, and Alan Sklar. In the President's Secret Service: Behind the Scenes with Agents in the Line of Fire and the Presidents They Protect. Unabridged. Old Saybrook: Tantor Media, 2009.
MLA引文Kessler, Ronald, and Alan Sklar. In the President's Secret Service: Behind the Scenes with Agents in the Line of Fire and the Presidents They Protect. Unabridged. Tantor Media, 2009.
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